对称天线

对某旋转对称天线不同频率处的方向图计算结果表明，与等效MOM相比，该法的精度更高。

The computation result for some rotationally symmetric antenna under various frequencies showed that the accuracy of the method in this paper was higher than the one of equivalent MOM .

任意张角水平对称天线的矩量法计算

Calculation of random angle of level symmetry antenna by moment method

一种用于分析旋转对称天线的扩展矩量法

Analysis of Rotationally Symmetric Antenna Using an Extended MOM

任意激励下的对称天线的辐射场

Radiative Fields of Symmetric Antenna under Arbitrary Excitation

该天线与原对称天线相比，面积减小了52%。

A 52 % reduction in antenna area has been achieved with the asymmetric structure .

由任意激励的电流分布，导出了对称天线在远处辐射场的普遍公式。

This paper derives the general formula for the distant radiative fields of the symmetric antenna from arbitrary distribution of current .

用于冲激雷达的宽带旋转对称单极天线的分析与设计

Analysis and Design of Broad-band Rotationally Symmetric Antenna for Impulse Radar

矩形脉冲激励的对称驻波天线的辐射特性

The Radiation Characteristics of Standing-Wave Dipole Excited by Rectangular Pulse

旋转对称体天线宽带特性研究

Study of Broad-Band Characteristics of Rotationally Symmetric Antennas

基于超长波与对称分布天线阵的管道机器人定位技术

Localization Technique of Pipeline Robot Based on Ultra-Long Electromagnetic Wave and Symmetrical Antenna Array

射频识别标签用非对称缝隙天线设计

Design of Dissymmetrical Slot Antenna for RFID Tag

射频标签用非对称缝隙天线优化设计基于遗传算法的超宽带天线优化设计

Design of unsymmetrical slot antenna based on ANN for RFID tag Optimization of an Ultra Wideband Antenna Using Genetic Algorithm

所给出的椭圆双锥天线有关公式可以用来分析许多类型的锥天线，包括非对称锥天线。

The antenna studied is a universal model which can be used to analyse many type of conical antennas including asymmetrical ones .

本文讨论了矩形脉冲激励的对称驻波天线的能量方向图、总辐射能量、辐射效率和辐射电阻等问题。

The energy pattern , total radiation energy , radiation efficiency and radiation resistance of standing-wave dipole excited by rectangular pulse are discussed .

改变天线的馈电点位置，构成非对称偶极子天线模型，并根据不同的非对称程度进行了仿真和比较。

Author change the feed point location of antenna , which constitute non-symmetrical dipole antennas . These non-symmetrical antennas are simulated and compared according to different extent of dissymmetry . 3 .

基于Matlab的对称振子天线分析

Analysis of the Symmetric Diploes Antenna Based on Matlab

本文从理论推导、数值计算和实验等方面研究了两类可以直接辐射轴对称模式的天线&Vlasov天线和COBRA天线。

Two kinds of antenna , Vlasov antenna and COBRA , which are suitable for radiating cylindrically symmetric modes , are investigated through theoretic analyses , numerical calculations and experiments .

针对卫星轨道闪电电磁脉冲（LEMP）的信号特征以及接收环境的限制，提出了卫星轨道接收LEMP的天线设计参数，并据此设计了对称振子天线和对数周期振子阵天线。

With the consideration of satellite-orbited lightning electromagnetic pulse ( LEMP ) signal characteristics and signal receiving environment limitations , the author studied the design requirement and parameters of LEMP receiving antennas . The dipole antennas and broadband log-periodic dipole array antennas were designed accordingly .

基于分形理论弯折线对称振子天线的研究

Research of Meander Line Dipole Antenna Based on Fractal Theory

新型圆极化全向对称振子天线

A Novel Circular Polarized Omni-directional Symmetric Diploes Antenna

本文采用矩量法，对几种不同外形旋转对称单极子天线进行了计算。

Calculations have been made for the rotationally symmetric monopole antennas with different shapes by moment method .

宽频带片状对称振子天线

Wideband Patch Dipole Antenna

实用中可以根据对天线性能的要求，选择合适粗细的对称振子天线。

And different thickness symmetry dipole antenna can be chosen by different requirement on capability of antenna in practice .

但是优化后的片状对称振子天线放置于金属板上后不仅可以实现定向辐射，还可以提高天线的增益。

But through optimization , the square dipole antennas not only can achieve directional but also can improve radiation gain .

一般的对称振子天线在金属环境中的性能非常差，甚至不能正常工作于超高频波段。

Under metal environment , general dipole antennas are very poor , which even can not work normally in UHF band .

六个单极对数周期天线单元组成的轴对称圆形阵列天线，能在超宽频带内产生正交双极化的和、差方向图。

An ultra-wideband tracking antenna array constructed by six log-periodic monopole antennas ( LPMA ) is designed , it can generate dual-polarized sum-and difference-patterns .

近年来，随着高功率微波技术的发展，适用于辐射高功率轴对称模的天线备受关注。

In recent years , antennas that can directly radiate the azimuthally symmetric mode have been taken into account for the development of high-power microwave ( HPM ) .

在此基础上，编写了计算机程序，并以150MHz加载对称振子天线为例，验证了算法与程序的有效性。

On this basis , computer programs are written to show the effectiveness of the algorithm and procedures by designing and optimizing 150 MHz loaded dipole antenna . 2 .

对细线结构、环结构、分支结构、对称振子天线、八木天线、对数周期天线进行了精确的建模和数值仿真。

The exact modeling and simulation for wire junction , wire ring with quadrate shaped , dipole antenna , yagi antenna and log-period antenna are presented as the examples .

利用在主振子附近放置多个寄生振子实现多频特性和放置连续寄生振子增加带宽，设计了三频对称振子天线。

Characteristics of multi resonances can be easily obtained by placing many parasitic elements near a dipole antenna , and the broad bandwidth can be obtained by serial setting of the parasitic elements , by which a triple-band dipole antenna is designed .